Santa Claus has 10 reindeers according to the song.
A: She couldn't find the 10 key.
A good start.
Santa Claus rolling down a roof!
Santa stops after three hoes.
Sigh* That's not elk... That's just reindeer.
Caribou can't fly.
An Accordion. ...I'll, uh, see myself out.
A: According to the Gooey Decimal System.
and "Just heard our song"
Because that's the chord progression in all their songs.